def signal_handler(self, sig, frame):
r"""Terminate all drivers on interrrupt."""
self.debug("Interrupt with signal %d", sig)
now = backwards.clock_time()
elapsed = now - self.interrupt_time
self.debug('Elapsed time since last interrupt: %d s', elapsed)
self.interrupt_time = now
self.pprint(' ')
self.pprint(80 * '*')
if elapsed < 5:
self.pprint('* %76s *' % 'Interrupted twice within 5 seconds: shutting down')
self.pprint(80 * '*')
# signal.siginterrupt(signal.SIGTERM, True)
# signal.siginterrupt(signal.SIGINT, True)
self.debug("Terminating models and closing all channels")
self.terminate()
self.pprint(80 * '*')
# self.sleep(5)
return 1
else:
self.pprint('* %76s *' % 'Interrupted: Displaying channel summary')
self.pprint('* %76s *' % 'interrupt again (within 5 seconds) to exit')
self.pprint(80 * '*')
self.printStatus()
self.pprint(80 * '*')
self.debug('%d returns', sig)
def elapsed(self):
r"""float: Total time that has elapsed since the start."""
return backwards.clock_time() - self.start_time
def __init__(self, max_time, key=None):
self.max_time = max_time
self.start_time = backwards.clock_time()
self.key = key
